Christian Rishel - Circudyne

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Nature of Change

A History of Change

Change ebbs and flows. It surges when leading firms read the moment and weigh the long-term cost of inaction as rigorously as the near-term cost of action.

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Nature of Change

Moment of Change

End-of-life is product strategy’s final frontier. The Last Moment of Truth is where transformation is won or lost, and where producers have the most to gain.

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Nature of Change

Possibility of Change

Most leaders know their company must change. But there is not a lot of change happening. Before asking how circularity transformation works, we ask whether it can happen at all.

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Summer Reading 2026

A season spent with canonical works on circularity, systems, strategy, Lean, and craft.

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Summer Reading 2026

Made to Stick

Circularity is a complicated idea that needs to be simplified to be remembered. The Heath brothers wrote the book on that, and it points to a story we should have been telling all along.

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Summer Reading 2026

Build

Circularity transformation needs a cornucopia of new-to-world products, made quickly and well. Tony Fadell's method for making them is repeatable.

Summer Reading 2026

Understanding Media

Marshall McLuhan is as pertinent today as he was in 1964, and the reason is his definition of media, which is broader than ours. Circularity transformation needs a media strategy in his sense of the word. Here is what he meant.

Summer Reading 2026

A Pattern Language

Christopher Alexander built a language for making places that serve human needs beautifully and economically. It doubles as a manual for choosing well where no data exists — the exact position circularity strategists occupy today.

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Summer Reading 2026

Toyota Production System

Lean's founding text by Taiichi Ohno shows that the most celebrated efficiency revolution in business history was circular from the start — and hands circularity transformation its strongest precedent.

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Summer Reading 2026

The Innovator's Dilemma

Clayton Christensen’s iconic analysis reveals why well-run companies at the peak of their powers are routinely vulnerable to disruption. We examine his thesis through the lens of circularity disruption.

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Summer Reading 2026

Playing to Win

Strategy is a choice, so you might as well choose to win. For circularity leaders, the framework offers an opportunity and a moment of truth.

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Summer Reading 2026

The Logic of Scientific Revolutions

Two esteemed points of view on the nature of progress, how it applies to strategy, and what it means for circularity transformation.

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